This book has dealt with fundamentals of Ear, Nose and Throat diseases. It is written for undergraduates, interns and trainees in ENT. The book will be of immense help to the general practitioners as well. This has highly acclaimed and is a popular ENT text book among students. A special focus has been given to surgical anatomy of the middle ear particularly round window and oval window for better diagnosis and management. Surgical anatomy of inner ear including inner ear fluid formation and circulation is made more clinically oriented. A focus on clinical oncology and management of diseases have been highlighted in the book.